src/lib/CECProcessor.h

   1 #pragma once
   2 /*
   3  * This file is part of the libCEC(R) library.
   4  *
   5  * libCEC(R) is Copyright (C) 2011-2012 Pulse-Eight Limited.  All rights reserved.
   6  * libCEC(R) is an original work, containing original code.
   7  *
   8  * libCEC(R) is a trademark of Pulse-Eight Limited.
   9  *
  10  * This program is dual-licensed; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  23  *
  24  *
  25  * Alternatively, you can license this library under a commercial license,
  26  * please contact Pulse-Eight Licensing for more information.
  27  *
  28  * For more information contact:
  29  * Pulse-Eight Licensing       <license@pulse-eight.com>
  30  *     http://www.pulse-eight.com/
  31  *     http://www.pulse-eight.net/
  32  */
  33
  34 #include <string>
  35 #include <cectypes.h>
  36 #include "platform/threads/threads.h"
  37 #include "platform/util/buffer.h"
  38 #include "adapter/AdapterCommunication.h"
  39
  40 namespace CEC
  41 {
  42   class CLibCEC;
  43   struct IAdapterCommunication;
  44   class CCECBusDevice;
  45
  46   class CCECProcessor : public PLATFORM::CThread, public IAdapterCommunicationCallback
  47   {
  48     public:
  49       CCECProcessor(CLibCEC *controller, const char *strDeviceName, cec_logical_address iLogicalAddress = CECDEVICE_PLAYBACKDEVICE1, uint16_t iPhysicalAddress = CEC_DEFAULT_PHYSICAL_ADDRESS);
  50       CCECProcessor(CLibCEC *controller, const char *strDeviceName, const cec_device_type_list &types);
  51       virtual ~CCECProcessor(void);
  52
  53       virtual bool Start(const char *strPort, uint16_t iBaudRate = 38400, uint32_t iTimeoutMs = 10000);
  54       virtual void *Process(void);
  55
  56       virtual bool                  OnCommandReceived(const cec_command &command);
  57
  58       virtual bool                  IsMonitoring(void) const { return m_bMonitor; }
  59       virtual CCECBusDevice *       GetDeviceByPhysicalAddress(uint16_t iPhysicalAddress, bool bRefresh = false) const;
  60       virtual CCECBusDevice *       GetDeviceByType(cec_device_type type) const;
  61       virtual CCECBusDevice *       GetPrimaryDevice(void) const;
  62       virtual cec_version           GetDeviceCecVersion(cec_logical_address iAddress);
  63       virtual bool                  GetDeviceMenuLanguage(cec_logical_address iAddress, cec_menu_language *language);
  64       virtual const std::string &   GetDeviceName(void) { return m_strDeviceName; }
  65       virtual cec_osd_name          GetDeviceOSDName(cec_logical_address iAddress);
  66       virtual uint64_t              GetDeviceVendorId(cec_logical_address iAddress);
  67       virtual cec_power_status      GetDevicePowerStatus(cec_logical_address iAddress);
  68       virtual cec_logical_address   GetLogicalAddress(void) const { return m_logicalAddresses.primary; }
  69       virtual cec_logical_addresses GetLogicalAddresses(void) const { return m_logicalAddresses; }
  70       virtual cec_logical_addresses GetActiveDevices(void);
  71       virtual uint16_t              GetDevicePhysicalAddress(cec_logical_address iAddress);
  72       virtual bool                  HasLogicalAddress(cec_logical_address address) const { return m_logicalAddresses.IsSet(address); }
  73       virtual bool                  IsPresentDevice(cec_logical_address address);
  74       virtual bool                  IsPresentDeviceType(cec_device_type type);
  75       virtual uint16_t              GetPhysicalAddress(void) const;
  76       virtual uint64_t              GetLastTransmission(void) const { return m_iLastTransmission; }
  77       virtual cec_logical_address   GetActiveSource(void);
  78       virtual bool                  IsActiveSource(cec_logical_address iAddress);
  79       virtual bool                  IsInitialised(void);
  80       virtual bool                  SetStreamPath(uint16_t iPhysicalAddress);
  81
  82       virtual bool SetActiveView(void);
  83       virtual bool SetActiveSource(cec_device_type type = CEC_DEVICE_TYPE_RESERVED);
  84       virtual bool SetDeckControlMode(cec_deck_control_mode mode, bool bSendUpdate = true);
  85       virtual bool SetDeckInfo(cec_deck_info info, bool bSendUpdate = true);
  86       virtual bool SetHDMIPort(cec_logical_address iBaseDevice, uint8_t iPort, bool bForce = false);
  87       virtual bool TransmitInactiveSource(void);
  88       virtual bool SetLogicalAddress(cec_logical_address iLogicalAddress);
  89       virtual bool SetMenuState(cec_menu_state state, bool bSendUpdate = true);
  90       virtual bool SetPhysicalAddress(uint16_t iPhysicalAddress, bool bSendUpdate = true);
  91       virtual bool SetActiveSource(uint16_t iStreamPath);
  92       virtual bool SwitchMonitoring(bool bEnable);
  93       virtual bool PollDevice(cec_logical_address iAddress);
  94       virtual uint8_t VolumeUp(bool bSendRelease = true);
  95       virtual uint8_t VolumeDown(bool bSendRelease = true);
  96       virtual uint8_t MuteAudio(bool bSendRelease = true);
  97       virtual bool TransmitKeypress(cec_logical_address iDestination, cec_user_control_code key, bool bWait = true);
  98       virtual bool TransmitKeyRelease(cec_logical_address iDestination, bool bWait = true);
  99       virtual bool EnablePhysicalAddressDetection(void) { return false; };
 100       void SetStandardLineTimeout(uint8_t iTimeout);
 101       void SetRetryLineTimeout(uint8_t iTimeout);
 102
 103       bool SetLineTimeout(uint8_t iTimeout);
 104
 105       const char *ToString(const cec_device_type type);
 106       const char *ToString(const cec_menu_state state);
 107       const char *ToString(const cec_version version);
 108       const char *ToString(const cec_power_status status);
 109       const char *ToString(const cec_logical_address address);
 110       const char *ToString(const cec_deck_control_mode mode);
 111       const char *ToString(const cec_deck_info status);
 112       const char *ToString(const cec_opcode opcode);
 113       const char *ToString(const cec_system_audio_status mode);
 114       const char *ToString(const cec_audio_status status);
 115       const char *ToString(const cec_vendor_id vendor);
 116
 117       virtual bool Transmit(const cec_command &data);
 118       virtual void TransmitAbort(cec_logical_address address, cec_opcode opcode, cec_abort_reason reason = CEC_ABORT_REASON_UNRECOGNIZED_OPCODE);
 119
 120       virtual bool ChangeDeviceType(cec_device_type from, cec_device_type to);
 121       virtual bool FindLogicalAddresses(void);
 122       virtual bool SetAckMask(uint16_t iMask);
 123
 124       virtual bool StartBootloader(void);
 125       virtual bool PingAdapter(void);
 126       virtual void HandlePoll(cec_logical_address initiator, cec_logical_address destination);
 127       virtual bool HandleReceiveFailed(cec_logical_address initiator);
 128
 129       CCECBusDevice *  m_busDevices[16];
 130       PLATFORM::CMutex m_transmitMutex;
 131
 132   private:
 133       bool OpenConnection(const char *strPort, uint16_t iBaudRate, uint32_t iTimeoutMs);
 134       bool Initialise(void);
 135       void SetInitialised(bool bSetTo = true);
 136
 137       void ReplaceHandlers(void);
 138       void ScanCECBus(void);
 139       bool PhysicalAddressInUse(uint16_t iPhysicalAddress);
 140       bool TryLogicalAddress(cec_logical_address address);
 141       bool FindLogicalAddressRecordingDevice(void);
 142       bool FindLogicalAddressTuner(void);
 143       bool FindLogicalAddressPlaybackDevice(void);
 144       bool FindLogicalAddressAudioSystem(void);
 145
 146       void LogOutput(const cec_command &data);
 147       void ParseCommand(const cec_command &command);
 148
 149       bool                                m_bInitialised;
 150       uint8_t                             m_iHDMIPort;
 151       cec_logical_address                 m_iBaseDevice;
 152       cec_logical_addresses               m_logicalAddresses;
 153       std::string                         m_strDeviceName;
 154       cec_device_type_list                m_types;
 155       PLATFORM::CMutex                    m_mutex;
 156       IAdapterCommunication *             m_communication;
 157       CLibCEC*                            m_controller;
 158       bool                                m_bMonitor;
 159       PLATFORM::SyncedBuffer<cec_command> m_commandBuffer;
 160       cec_keypress                        m_previousKey;
 161       PLATFORM::CThread *                 m_busScan;
 162       uint8_t                             m_iLineTimeout;
 163       uint8_t                             m_iStandardLineTimeout;
 164       uint8_t                             m_iRetryLineTimeout;
 165       uint64_t                            m_iLastTransmission;
 166   };
 167
 168   class CCECBusScan : public PLATFORM::CThread
 169   {
 170   public:
 171     CCECBusScan(CCECProcessor *processor) { m_processor = processor; }
 172     virtual ~CCECBusScan(void) { StopThread(true); }
 173     virtual void *Process(void);
 174
 175   private:
 176     void WaitUntilIdle(void);
 177
 178     CCECProcessor *m_processor;
 179   };
 180 };